Edge flashing for roofs and terrace floors



, g Jan. 30,1968 A. JOSEK 3,355,847

EDGE FLASHING FOR ROOFS AND TERRACE FLOORS Filed June 30, 1965 6 Sheets-Sheen 1 l2 ii is s: g I 52 g I 3 U Q S 4 51 w n x .01; 3 5O zi v Q? I0 a! I; a Q A 4 14 A A a I5 .INVENTOP Alexander Josek ATTORNEY Jan. 30, 1968 A. JOSEK EDGE FLASHING FOR ROOFS AND TERRACE FLOORS Filed June 30, 1965 6 Sheets-Shet 2;

INVENTOR Alexander Josek BY Z ATTORNEY mum Jan. 30, 1968 A. JOSEK 3,365,847

EDGE FLASHING FOR ROOFS AND TERRACE FLOORS Filed June 30, 1965 6 Sheets-Shem 5 v INVENTOR Alexander Josek ATTORNEY Jan. 30, 1968 A. JOSEK 3,365,847

EDGE FLASHING FOR ROOFS AND TERRACE FLOORS Filed June so, 1965 G-Sheets-Shet 4 F lg. 70

Jan. 30, 1968 v A. JOSEK 3,365,847

EDGE FLASHING FOR ROOFS AND TERRACE FLOORS Filed Jurie so. 1965 e sheets-she Fig. 12

INVENTOR Alexond er Josek ATTORNEY Jan. 30, 1968 A. JOSEK EDGE FLASHING FOR ROOFS AND TERRACE FLOORS Filed June 30, 1965 6 Sheets-Sheet 6 v INVENTOR Alexonder Josek M? M7 ATTOIQNE United States Patent 3,365,847 EDGE FLASHING FOR ROOFS AND TERRACE FLOORS Alexander Josek, 130 Dotzheimer Strasse, 62 Wiesbaden, Germany Filed June 30, 1965, Ser. No. 468,529 Claims priority, application Germany, July 2, 1964,

40 Claims. (or. 52-94 ABSTRACT OF THE DISCLOSURE An edge flashing for roofs and terrace floors having a masonry portion of the structure comprising a profile iron mounted in the masonry portion of the structure, a carrier means secured to the profile iron, roofing sheet metal supported at the end thereof by the carrier means, and a facing means supported by the carrier means, the carrier means having a lower end having a U-shape, the free leg portion of the U-shape constituting a wedge means, the facing means having a U-shaped upper end extending over the top of the carrier means and a downward extending counterwedge means engaging said U-shape portion of the carrier means.

The present invention is directed to an edge flashing or trimming for fiat roofs, terrace floors, sloping roofs and similar installations. In these installations, a profile iron is conventionally anchored under the roofing layers properly speaking and a carrier member is attached to this profile iron. Bent over the upper edge of this carrier is the outer edge of the width of roofing sheet metal and the protecting facing is simultaneously provided thereover, and this is accomplished by means of small edges or rims being bent in a U-shaped manner.

For the purpose of making this edge flashing or trimming as solid and as rattle-proof as possible, various different constructions thereof are already known. The most marketable of these constructions consists in that the upper bent-over end of the covering facings rests upon the free edge of the carrier and upon the end of the width of roofing sheet metal being bent around the carrier, whereas the lower end of the carrier comprises a snap catch or lug portion at a portion thereof which is upwardly bent in a U-shaped manner. Also the facing is provided with an angle being open in the downward direction and comprising an analogous snap catch lug portion which is oppositely oriented. Accordingly, the facing rests, at the top, on the edge of the carrier and is retained, at the bottom, by the snap catch lug portion. The disadvantage of this known construction consists in that the distance between the upper edge of the carrier and the snap catches lug portions must be maintaned in a virtually tolerance free manner. This presupposes relatively high manufacturing costs. Moreover, the removal of the facing after the finished assembly, for example for purposes of repairs, is extremely diflicult if not entirely impossible.

It is the object of the present invention to eliminate these disadvantages. This is achieved essentially in that the carrier is bent back, at the lower edge thereof, in a U-shaped manner and that the free leg portion thereof is constituted as key wedge, and that a counterwedge engaging in this key wedge is attached to the covering facing near the lower edge thereof, whereas the upper edge which overlaps the carrier and the width of roofing sheet metal in a U-shaped manner known per se is connected with the carrier forcelockingly only by means of clamping screws, whereby the width of roofing sheet metal is clamped at the same time without requiring, however, that the U-shaped bent edge of the facing rest rigidly on the carrier sheet. In

"ice

order to impart to the thus provided connection an absolutely firm and stable support, it is advisable to provide the two wedges of the facing and of the carrier with a self-locking pitch.

For the purpose of reducing the expenditure relative to the assembly and in order to guarantee a solid connection between the carrier and the facing in the precalculated position without any additional means, the covering facing and the carrier are fixed upon each other-in a further development of the present invention-by means of a combined interlocking clamp and snap connection.

Expedient is a fixation toward the top, toward the bottom, in the direction toward the brickwork and away from the brickwork, and a certain elasticity of the connection is desirable. Also the assembly of the covering facing should be readily possible. For this reason, it is advisable to provide the flange of the carrier in the shape of an upwardly open groove or channel with two inwardly protruding shoulders, while the flange of the facing comprises two ri b portions which are separated by a gap and directed downwardly and Whose pointed and back-tapered ends snap behind the shoulders.

In a structural reversal of this construction, the groove may also be disposed at the flange of the facing and may be open toward the bottom. In that case, the rib portions are obviously arranged at the flange of the carrier and are upwardly oriented.

In order to prevent that, under the action of traction, the rib portions be compressed and the back-tapered ends glide off the shoulders, the angles: under the shoulders of the groove as well as the back-tapered angles at the ends of the rib portions are kept smaller than 90, expediently approximately Under the action of tension, the rib portions will thus be spread apart.

In order to suppress a slight rattling in the ideal position, it is advisable to keep the tips of the rib portions slightly shorter than the height of the groove and to arrange at the bottom thereof an elastic insert, made for example from plastic material.

For purposes of compensating for tolerances in the length of the width of the sheet metal roofing and in the width of the facings, the carrier is screwed on, with the aid of screws and by way of slotted or oblong holes, to the profile iron being secured to the brickwork, and it is expedient to fasten each piece of facing by means of two screws.

For purposes of compensating for height differences between the profile irons so as to allow for the use of the same carrier in profile irons whose free leg portion extends either downwardly or upwardly, and in order to eliminate a tipping moment, the profile iron is connected with the carrier by means of three screws being arranged in a triangular spaced relationship, and the carrier comprises for each screw several holes being disposed above one another. It is particularly advantageous to provide in the carrier several vertically-extending slotted holes for each of these three screws.

According to a modification of the present invention, it is possible to substitute for the clamp and snap connection between the carrier and the facing a bolted or screw connection and this is accomplished in such a manner that a tightening action is present both at the upper and at the lower point of suspension, and a permanently stable and secure seating is guaranteed with a very simple assembly.

This is attained essentially in that the covering or protective facing is elongated downwardly beyond the carrier and terminates in a horizontal flange wherein one screw each is disposed opposite one carrier and through which both the U-shaped upper bend is rigidly drawn onto the edge of the carrier and the angular flange of the facing is rigidly drawn into the U-shaped end of the carrier. In order to facilitate the assembly, the flange carrying the screw is provided in a channelled or groovelike manner. It is expedient to provide in a channelled or groove-like manner also the flange at the carrier at that side thereof where the screw engages. Furthermore, the screw is expediently provided so as to be self-thread-cutting and either fiat or rounded off at the end thereof.

In order to avoid that the facing must first be straightened or aligned manually so as to be brought precisely into the vertical position, the lateral walls of the groove at the flange of the carrier are preferably provided so steep that the pressure component occurring in the horizontal during the operation of tightening the screw is greater than that which occurs in the vertical. Moreover, it is advantageous to provide the thread of the screw so flat that the screw is positioned in the flange of the facing in a self-locking manner.

In flat roofs, the outer part of the roof sheathing together with the individual constituents thereof is conventionally pulled up over the edge of the supporting sheet, i.e. of the carrier, and clamped securely on this edge by an approximately horizontal leg portion of the covering plate. While this construction has been found to be satis factory in most cases, it is not sufficient in other instances because spray water will get to the clamping points and will penetrate therethrough. The clamping points are not watertight in many places, even if a sufficient clamping effect is present.

In order to keep the rain Water away from the rims of the roof, the rim or edge of roofs has frequently been provided with a ledge or cornice which is either formed already by the stationary roof itself, or by an especially applied sloping sheet, but even then a sealing effect satisfactory for all cases is not obtained.

For this reason, the leg portion of the facing which projects over the edge of the roof sheathing is bent approximately parallel to the surface of the roof edge being provided as a ledge by means of an edge or rim-covering guarding sheet and extends the proximity of the horizontal surface of the roof. The bent-off leg portion of the facing comprises a downwardly directed rib portion which overlaps beyond the upper edge of the carrier and which overlaps the carrier in a manner analogous to the known facings. Disposed at the lower edge of the bent-off leg portion and expediently at the lower surface thereof is a saw-tooth-like serration and inserted between this serration and the roof sheathing is a roller seal which may additionally be cemented, if desired.

In this construction, however, water of condensation may possibly be formed between the facing leg portion and the edge covering sheet.

In order to avoid the formtion of water of condensation, the edge covering sheet is therefore placed upon the roof sheathing, according to a further development of the present invention, and rigidly or firmly pressed thereon by means of a clamping means, for example clamping screw, wedge, non-tiring springs. In order to achieve a good sealing effect, the lower side of the edge covering sheet may additionally be provided with rib portions extending along the edge and which are pressed into the roof sheathing when the clamping device is tightened.

In order to prevent generally the formation of water of condensation and of clamping points through which the water can penetrate, the edge-covering sheet or flashing may advantageously be replaced by a Waterproof and tear-resistant edge-guarding foil. The upper edge of the carrier is bent off in a U-shaped manner so as to obtain a round rim and to prevent damage to the foil. The leg portion of the facing which is bent off toward the roof comprises a catch or lug portion which is downwardly directed and overlaps the upper edge of the carrier. With the aid of this catch or lug portion the foil is retained and the facing is fixed on the carrier. The foil should extend between the carrier and the facing up to under the lower roof edge. If Water should penetrate through the clamping points, it cannot get into the roof. It is also possible not to bend off the upper edge of the carrier but to place upon the carriers a continuous U-shaped profile whose arches are round. If a U-shaped profile has been applied, greater distances may be present between the carriers. The U-shaped profile prevents a sagging of the foil. While in the case of a sloping roof a ledge or cornice is obviously not required, it is possible to do without a special ledge or cornice also in flat roofs if the edge flashing according to the present invention is employed. The ledge is formed by the foil.

Plastic materials are particularly suitable for the edge flashing foil.

For covering greater ledges or cornices, or larger wall surfaces, the carrier is correspondingly elongated downwardly and has for each additional facing several wedges into which the facing engages with corresponding counterwedges, the lower edge of the upper facing being angularly bent outwardly and the upper edge of the lower facing being angularly bent inwardly under the same angle.

Butt joints are provided between the individual facing pieces. it was customary heretofore to solder or weld the facings at the butt joints, and an additional sheet or plate was placed over or under the joints, if desired. It is also known to provide the facings at the lower end, respectively, rear side with a particular shape or configuration and to insert a sealing plate into specific slides or guides, so that this inserted plate will practically guide the water trickling through the joint to these especially provided slides or guides in which it will then fiow off toward an innocuous place.

In a further development of the present invention, a butt joint sealing or waterproofing for edge flashings, particularly for protective facings, is proposed which eliminates any additional shaping of the facings and additional fastening means, and which does not produce any assembling difficulties.

In accordance with the present invention, the sealing or water-proofing for the expansion butt joints consists of a corrugated sheet steel section whose cross-sectional shape is congruent to the cross section of the facing, the corrugations thereof extending parallel to the butt joint and the projecting corrugated portions extending to the lower surface of the facing, while the corrugated trough portions rest upon the base, particularly thus the carrier. It is advisable to impart to the corrugated sheet steel section a slight plus tolerance in such a manner that the height of the corrugated portions of the corrugated sheet steel section is slightly greater than the distance between the facing and the carrier.

In order to achieve a secure scaling effect of the butt joints, slotted recesses are advantageously disposed at the butt joints in the flanges serving for the support on the carrier, and a sealing member is inserted thereinto. The width of the sealing member corresponds to the total length of the two slotted recesses. The two contiguous facing members are accordingly positioned closely next to one another. The sealing member extends upwardly to a short distance under the leg portion of the facing, which leg portion is either U-shaped or bent-off toward the roof. Below the supporting flange, the sealing member extends to the lower edge and, respectively, to the lower flange of the facing. Positioned under the butt joint between the leg portions being bent off toward the roof of two contiguous facings is a sealing plate one leg portion of which rests on the roof sheathing. The other leg portion thereof is angularly bent from the roof edge to the upper edge of the sealing member. The last end thereof is bent off in a U-shaped manner and engages with the bent-otf end over the sealing member. This end of the sealing plate is coordinated in the cross section thereof to the groove or channel between the vertical facing leg portion and the facing leg portion being angularly bent toward the roof. It may be expedient to dispose at the sealing member at the height of the supporting flanges equally slotted recesses which engage into the recesses provided at the flange. In that case, the sealing member is wider by the total length of these two recesses.

FIG. 1 is a sectional view of the general edge flashing of this invention.

FIG. 2 and FIG. 3 illustrate alternative embodiments of. the wedge-counterwedge combination shown in the embodiment of FIG. 1.

FIG. 4 illustrates the arrangement of screw means and slots in the facing plate.

FIG. 5 shows an embodiment of this invention with a screw clamping means for rigidly mounting the facing plate on the carrier plate.

FIG. 6 shows an alternative embodiment of this invention providing a sloping roof edge and a roller seal.

FIG. 7. FIG. 8, and FIG. 9 show, in section, alternative embodiments of this invention wherein an edge plate is pressed against the roof sheathing by suitable clamping means disposed between the edge plate and the facing plate portion extending thereover. V I

FIG. 10 shows an alternative embodiment of this invention employing a flexible sheet material extending from the roof surface and over the top of the carrier plate.

FIG. 11 illustrates an embodiment of the edge flashing of this invention which is suitable for use when large surfaces are to be covered.

FIG. 12 is a top sectional view showing the use of a corrugated sealing sheet material disposed between the facing plate and the carrier plate at a butt joint between two facing plates to prevent moisture penetration to the roof edge through the butt joint.

FIG. 13 shows the upper end of the corrugated sealing sheet material illustrated in FIG. 12, bent to conform to the shape of the facing plate.

FIG. 14 is a prospective exploded illustration of an alternative system for sealing the butt joints between adjacent facing plates.

' In FIGURE 1, an angle section 7 is securely embedded or walled into the masonry under the conventional roofing.layers. The construction of the roof corresponds to those customary in the art. A vapor barrier which is not visible in the drawing is disposed under the damming layer 2 on the crude roof. Arranged on the vapor barrier of lock is generally an aluminum foil; provided over the latter isa bituminous layer 3; thereover a width or layer of roofing sheet metal 6 whose edge protrudes from the plane of the brickwork to a corresponding extent. Positioned in the layer of roofing sheet metal 6 is a layer of priming material 4 and thereon the ballasting or gravelling 3. The carrier 9 is secured-to the profile iron 7 by means of screw bolts 8 by way of slotted holes 10. The end of the width or layer of roofing sheet metal 6 is bent around and over the upper edge of this carrier. The lower edge of the carrier 9 is upwardly bent back in a U-shaped manner, the inner surface of the edge being constituted as a wedge 15. A wedge 14 of the cover flashing 11 engages into this wedge 15. The upper end of the facing is U-shaped and bent back in the downward direction without, however, sitting on the upper edge of the carrier 9. Disposed at suitable intervals in the upper free leg portion of the facing 11 are clamping bolts '13 by means of which a force-locking connection between the facing 11, the carrier 9 and the width or layer of sheet metal 6 is obtained. For the assembly of this arrangement, the carrier 9 is initially securely screwed on, the free end of the width or layer of roofing sheet metal 6 is thereafter bent over the upper edge of the car- 'rier 9, then the facings 11 with the U-shaped bent-off edge 12 are suspended over the carrier 9 and are then lowered until the .wedges 14, 15 come into operative engagement with each other. Thereupon the clamping bolts 13 s are tightened to such an extent that the upper edge, of the facing 11 is positioned tightly. For the dis assembly, it is merely necessary to loosen the screws 13, and the facing 11 is lifted off upwardly.

In FIGURE 2, the lower end of the carrier 21 projects over the facing 22. The outer end 23 of the flange 24 at the lower end of the carrier 21 is anguiarly bent upwardly in a curved manner and comprises a shoulder portion or ledge 25 at the underside thereof. The outer end 26 of the flange 27 at the facing 22 is downwardly bent off and rounded off at the inside. It is so disposed at the facing 22 that the two bent-off ends 26 and 25 of the flanges 27 and 24 will engage or lock behind one another with a clamping effect. The facing 22 is provided, at the lower end thereof, with a flange 28 which latter supports a rib portion 18 at. a short distance from the facing 22, this rib portion 29 being slopingly or diagonally directed upwardly in such a manner that the outer end thereof rests against the carrier 21 below the flange 24 in the shoulder portion 24. The angle between the rib portion 29 and the undersnrface of the flange 24 at the carrier 21 is smaller than 90 at the side of the facing 22. The facing 22 corresponds to the facing 11 of FIGURE 1. The mounting angle iron 7 of FIG. 1 is not illustrated in FIG. 2. When placing the facing 22 on the carrier 21, the rib portion 29 is pressed toward the carrier 21, at, which time the flange end 26 glides into the flange ends 23. During this movement sloping downwardly, the point or tip of the elastic rib portion 29 glides downwardly along the outside of the flange end 23 until it snaps into the shoulder portion 25 of the flange 24. In this position, the covering or protecting facing 22 is secured in position against any movement, on the one hand, by the clamping connection between the sloping or inclined surfaces 23, 26 and, on the other hand, by the snap connection between the elements 29 and 25. For purposes of disassembly, the rib portion 29 is merely pushed back by means of pliers to such an extent that and until it will protrude or emerge from the area of the shoulder portion 25. The facing 22 can then be removed upwardly.

In FIGURE 3, the flange 34 at the lower end of the carrier 31 is provided in a groove-like or channeled manner and is provided, at the top thereof, with two inwardly projecting shoulders 36, 40. At the bottom of the groove there is an elastic insert 41. The covering or protective facing 32 corresponding to facing 7 of FIG. 1 comprises a flange 33 which has at the end thereof two rib portions 37 and 38 being separated by a gap 39. These rib portions terminate into pointed back-tapered ends 42.

For the assembly of the covering or protective facing 32, the latter is held over the groove 34. Thereafter the facing 32 is pressed downwardly. At that time, the points or tips 42 of the sufficiently elastic rib portions 37, 38 are compressed and glide downwardly between the shoulders 36, 40 until the tips or points thereof come to rest on the bottom of the groove 34 and the back tapers of the tips 42 simultaneously snap behind the shoulders 36, 40. For purposes of disassembly, the rib portions 37 and 38 are compressed from the side of the carrier 31 by means of pliers, and the facing 32 will then be lifted off in the upward direction.

The angle under the shoulders 36, 40 and the backtapered angles at the tips 42 are expediently smaller than 90, preferably approximately In accordance with FIGURE 4, the connection of the profile iron with the carrier 9 is effected by three cap socket headscrews 8 being arranged in a triangle relationship. By virtue of this arrangement in the triangle, a. connection is attained which is stable in every direction. For the two laterally disposed screws 8, two slotted holes 10 each are present being arranged so as to be superimposed. Provided for the central screw 8, on the other hand, is a slotted hole 10 which is arranged in the. central position but which is longer than the lateral ones. Actually, it would be quite possible obviously to combine the internal slottedholes to a continuous slot, but the stability of the plate would be considerably reduced thereby. For the central screw, two slotted holes may equally be provided in the place of the one longer slotted or oblong hole. Also, it is possible, of course, to provide a still larger number of round or oblong holes below each other. The choice of the number and size of the holes depends upon the given dimensions. It should be obvious and clear that as a result of the corresponding dimensions and the number of holes, it is possible without difficulty to use the same carrier plate for both upright and for downwardly extending leg portions of the profile irons 2 without a considerable height difference being produced in the seating or positioning of the covering facing.

FIGURE 5 illustrates an embodiment of the present invention in which a profile iron 7, to which the individual carriers are rigidly screwed or bolted, is anchored in the brickwork 1 in the usual manner. The covering or protecting facing 51 grips around the upper edge of the carriers 50 with a U-shaped leg portion 52. At the lower end, the carriers 50 carry or support a U-shaped leg portion 54 being bent back in the upward direction, into which engages an angle 53 in a wedge-like manner, this angle 53 being disposed internally at the covering facing 51. According to the present invention, the facing 51 is elongated or extended downwardly and is provided at the end thereof with an additional flange 56 being directed toward the brickwork. Through this flange extend screws 57 which, after making bearing contact with the leg portion 54 of the carrier, will pull the facing 51 at both points of suspension 52 and 53 firmly toward the carrier. Since the holes for the screws 57 can be bored only at the time of the assembly, since the number and the distance of the carriers 50 are not previously known, the cross section of the flange 56 is provided in a channeled or groovelike manner. This has the advantage that the drill, once it has been applied, will automatically glide into the lowest point of the groove which is positioned centrally opposite the flange 54 of the carrier 50. Since the covering or protective facing 51 conventionally consists of light metal, it is not necessary to cut threads into the bore of the flange 56, but instead of self-thread-cutting, self-tapping screw may directly be used.

It is expedient to provide at the underside of the flange 54- at the carrier 9 also an angular groove or channel 55. When the screw 57 is tightened, the facing 51 is pulled downwardly and is thus secured in the vertical position thereof. In this particular construction, it does not matter if, at the time of the assembly, the facing 51 is not faultlessly aligned in the vertical position thereof. Depending upon toward which side the downwardly pointing leg portion of the facing 51 deviates from the vertical line, the rounded-off head of the screw 57, if the tightening action is co'rrectely effected, will come to rest against the inner or outer inclined surface of the groove or channel 55. When the screw is further tightened, the screwhead will automatically glide upwardly along the inclined surface of the groove or channel until it makes contact with the same pressure also with the oppositely positioned inclined surface. In this position, precisely the center of the angular groove or channel and thus the vertical position of the facing 51 has been attained. In this manner, a substantial simplification of the assembly is obtained.

FIGURE 6 illustrates a further embodiment of the invention. The manner of fastening is analogous to that shown in FIGURE 5. On the upper edge of the carrier 61 rests an edge flashing sheet 71 forming the ledge, and thereover the roof sheathing proper 72. The upper leg portion 64 of the covering or protective facing 62 is bent parallel to the ledge and overlaps of the roof sheathing 72 at only a small distance closely into the proximity of the horizontal surface of the roof. In this arrangement, this bent-off leg portion 64 comprises a rib portion 63 which fixes the facing 62 in the conventional manner on the carrier 61. At the outer edge, the leg portion 64 is equipped, at the lower surface thereof, with a saw-toothlike serration 65. Inserted between this serration and the roof sheathing 72 is a roller seal which may additionally be cemented. In this arrangement, water will not come in from the outside and reach the clamping point.

In FIGURE 6, a flange 67 is provided at the carrier 61. The flange has an upwardly oriented lug at the free end engaging behind the projection 66 at the facing 62, which projection is directed obliquely downwardly. The flange 67 has a groove on its underside. The free end of the cap screw 69 is disposed in this groove, the cap screw being threaded through the flange 68 at the lower end of the plate 62. By means of this screw 69, the facing 62 and the carrier 61 are firmly connected to each other.

FIGURES 7 to 9 illustrate modifications of the embodiment according to FIGURE 6. Positioned on the upper edge of the carrier 61 is the edge flashing sheet 77 and thereunder the roof sheathing proper 72. The ledge or cornice is formed by the wooden profile 73. The upper leg portion of the covering or protective facing 62 is bent parallel to the ledge and overlaps the roof sheathing with only a small distance into proximity with the horizontal surface of the roof. Screwed through the facing leg portion 75 is a clamping screw 76 with which the edge flashing sheet 77 is pressed onto the roof sheathing 72. The edge flashing 77 is additionally equipped with longitudinally extending rib portions 78 which will be pressed into the roof sheathing 72 when the screw 76 is tightened.

In FIGURE 9, a metallic double wedge or gib and cotter is provided as clamping means between the facing leg portion 75 and the edge flashing 83, and consists of the two individual elements or parts 87 and 86. The wedges comprise at the contact surface thereof saw-toothlike teeth which prevent that a Wedge be unintentionally loosened. The edge flashing 83 is provided with the projections 84 between which the lower individual wedge 86, widening in the direction toward the roof edge, is securely retained. In order to prevent that the wedge be displaced or slip, the edge flashing 83 may additionally have longitudinally-extending rib portions or other projections on the surface thereof in the area where the individual wedge 86 makes contact.

In FIGURE 8, a non-tiring spring 79 is provided as the clamping means and is fixed in its position at the edge flashing 80 by the projections 81.

In FIGURE 10, the upper edge of the carrier 98 is bent around in a U-shaped manner, or a U-shaped profile 100 is positioned on this edge. Positioned above this U-shaped profile 100 is an edge flashing foil 103, one leg portion 96 of which extends between the facing 99 and the carrier 98, expediently up to under the lower roof edge. The second leg portion 104 bridges the inters-pace between the carrier 98 and the roof and is positioned on the roof sheathing proper 105. If no special ledge is provided, such ledge is formed, in the case of a flat roof, by the leg portion 104 at the edge flashing foil 103 which rests, with the outer end thereof, on the roof sheathing 105. In the inclined or sloping roof, a ledge is not necessary. The end of the foil leg portion 104 resting upon the roof sheathing is suitably glued onto the roof sheathing. The upper leg portion 102 of the covering facing 99 is bent, in inclined roofs, parallel to the roof and, in flat roofs, under any desired angle which is, however, not greater than the mean angle between foil and roof. It should overlap the roof sheathing at least to the point at which the foil 103 touches the roof sheathing 105.

The connection between the facing and the carrier, not specifically shown in FIGURE 10 may be accomplished the same as in FIGURES l to 3 or 5.

When covering larger surfaces, the carrier 112 is downwardly elongated by the corresponding dimensions, according to FIGURE 11. In the same manner as in FIG- URE 1, the next-following facing 119 is supported by means of wedges 118, 121 in wedges 117, 120 of the carrier plate. The lower end 116 of the facing 111 and the upper end 115 of the facing 119 are slightly angularlybent with respect to each other so that they will overlap one another in a rain-proof manner. With a further extension in the downward direction, two further wedges 113 each support a further-facingplate.

FIGURES 12. and 1-3 are directed to possibilities of providing a sealing of the butt joints being present between two facing members. Positioned on the carrier 9 are supports 133. Upon the supports rest the facings 134. Since in most instances the commercially available lengths of the facings do not suffice for the total flashing or covering required, one butt joint 132 each will be formed between two lengths of the facings 134. Through this butt joint, as accurately as it may be made, moisture may penetrate under the protective facing, which should be avoided at all costs. For this reason, a corrugated sheet steel section 131 which has a shape congruent to the cross section of. the facing is placed under the butt joint. The height of the corrugated elevations corresponds to the thickness of the supports 130, expediently with a small plus tolerance, so that the corrugated sheet steel section is fixed in the position thereof by the pressure which is exerted thereon. As is apparent from FIGURE 12, any water seeping through the butt joint 132 can penetrate into the two neighboring corrugations of the corrugated sheet steel 131 and will flow out of the same laterally without causing damages. The corrugated sheet steel section 131 may therefore consist of only a few corrugations. The same effect is demonstrated by the corrugated sheet steel section shown'in FIGURE 13 which is placed under the butt joint of covering facings on the supporting plates thereof. Here again, the cross-sectional configuration of the corrugated sheet steel section is coordinated to the cross of the covering or protective facing.

Another embodiment of a butt joint seal for edge flashings is shown in FIGURE 14. Reference numeral 140 identifies therein two facing sections, reference numeral 141 designates the leg portions of the facing being angularly bent toward the roof. The facing sections are attached to the carriers (not shown) by means of the flanges 142. At the butt joints and directly at the facings 140, the flanges have slotted recesses 143 and 144 into which a sealing member 145 is inserted. The width of the sealing member corresponds to the total length of the two recesses. Above the flanges 142, the sealing member 145 does not extend entirely to the angularly bent leg portion 141, below the flanges it extends to the lower edge of the facing, and, respectively, on to the lower flange 146. Positioned under the butt joint between the leg portions 141 of the facing, being angularly bent toward the roof, of two facings 140 is a sealingp'late, one leg portion of which rests on theroof sheathing. The other leg portion 147 is angularly bent from the roof edge to the upper-edge of the sealing member 145. The last end is bent off in a U- shaped manner and therewith grasps or extends over the sealing member 145. This end of the sealing plate'149 is coordinatedin the cross section thereof to the groove or channel between the vertical leg portion of the facing 140 and" the leg portion 141 being angularly bent toward the roof. It may be expedient to provide at the sealing member 145 at the height of the flange 142 also slotted recesses 147, 148 which engage into the recesses 143, 144 provided at the flanges 142. The sealing member 145is then wider by the total length of these two recesses.

1. An edge flashing for roofs and terrace floors having a masonry portion comprising a profile iron mounted in the masonry portion of thestructure, a carrier means secured to the profile iron, roofing sheet metal supported at the end thereof by the carrier means, and a facing means supported by the carrier means, the carrier means having a lower end having a U-shape, the freele g portion of the,

U s'hape constituting a wedge means, the facing means having a U shaped upper end extending over the top of the carrier means and a downward extending counterwedge means engaging said U-shape portion of the carrier means.

2. The edge flashing of claim 1 wherein the U-shaped upper end of the facing means includes means for clampingthe facing means to the carrier means.

3. The edge flashing of claim 2 wherein the means for clamping the facing means to the carrier means comprises a clampingscrew means extending through andthreaded in the facing means.

4. The edge flashing of claim 1 wherein the downward extending wedge means of the facing engages the wedge means ofthe carrier. means whereby the wedges are selflocking.

5. The edge flashing of claim 1 wherein thefree leg of the U-shaped portion of the carrier means has antupward extending arcuate shape engaging the counterwedge means of the facing means, the lower edge of the U-shapedportion adjacent said free leg constituting a shoulder means, and the facing means including a flange portion extending under the lower end of the carrier means, said flange portion carrying an upward extending flexible rib engaging said shoulder means.

6. The edge flashing of claim 1 wherein the combination of the U-shaped. portion of the carrier means and the counterwedge portion of the facing means comprises an open groove portion having two opposite inwardprojecting shoulders on one element and a pair of spaced apart rib portions on the other element, said rib portions extending into said opengroove portion, the ends of, said rib portions having a pointed and back-taperedshape, whereby the tips of the rib portions are snapped behind the shoulders.

7. The edge flashing of claim 6 wherein the groove portion is defined by the upward opening U-shaped portion at the lower end of the carrier means, and the pair of spaced apart rib portions comprise the counterwedge means of said facing means.

8. The edge flashing of claim 6 wherein the angle defined by the ends of the inward projecting shoulder portions of the open groove is less than 90, and the back tapered shape of the tips of the rib portions defines an angle of less than 90.

9. The edge flashing of claim 8 wherein said angles are about 10. The edge flashing of claim 6 wherein the back tapered. portion of'the tips of the ends of the rib portions are shorter than the depth of the open groove, and an elastic insert is disposed between the tips of the rib por-. tions and the bottom of the open groove.

11. The edge flashing, of. claim 1 wherein the carrier plate is provided with vertically extending slotted holes passing therethrough, and the carrier plate is attached to the profile iron by bolts passing therethrough.

12. The edge flashing of claim 11 whereinthe carrier plate is provided with at least three sets of slotted holes passing therethrough arranged in a triangular relationship, atleast one ofsaid sets of slotted holes comprising a plurality of vertically spaced slotted holes, and the carrier plate is attached to the profile iron by three bolts passing through a respective slotted hole, whereby the carrier plate can be attached to the profile iron in a plurality of vertically spaced positions. l

13. The edge flashing of claim 1 wherein the facing means extends downward beyond the end of thecarrierj means, a horizontal flange extendling from said facing means under the U-shaped end portion of the carrier means, the horizontal flange threadingly receiving a screw means having an upper end engaging the lower surface of said U-shaped end portion whereby the facing means can be pulled downward by upward tightening adjustment of the screw means.

14 The end flashing of claim 13 wherein the lower surface of the U-shaped end portion o f the carriermeans 1 l defines a longitudinal groove into which the end of the screw means is engaged.

15. The edge flashing of claim 14 wherein the sides of the longitudinal groove are steeply inclined whereby the horizontal pressure component occurring when the screw means is tightened is greater than the vertical component.

16. The end flashing of claim 13 wherein the lower surface of the horizontal flange extending from said facing means defines a longitudinal groove, and the screw means comprises a self-taping screw means.

17. The edge flashing of claim 1 wherein the roofing sheet metal constitutes an edge covering plate slanting from the top of the carrier means to the roof surface to define a ledge, roof sheathing is supported by at least a portion of said edge covering plate, and the free leg portion of the U-shaped upper end of the facing means overlaps at least a portion of the roof sheathing, extending in a direction parallel to the edge covering plate.

18. The edge flashing of claim 17 wherein a rib portion extends downward from said U-shaped upper end of the facing means, overlapping the upper edge of the carrier means.

19. The edge flashing of claim 17 wherein the underside of the free leg portion of the U-shaped upper end of the facing means has a saw-tooth serrated surface, and a roller seal is provided between said serrated surface and the roof sheathing.

20. The edge flashing of claim 19 wherein the roller seal is cemented in place.

21. The edge flashing of claim 1 wherein the structure includes a wedge shaped ledge portion, roof sheathing extends over the surface of the ledge portion, the roofing sheet metal constitutes an edge covering plate extending from the top of the carrier means over a portion of the ledge portion and supported by the roof sheathing thereover, the free leg portion of the U-shaped upper end of the facing means overlaps at least a portion of the roof sheathing, extending in a direction parallel to the edge covering plate, and a clamping means for pressing the edge covering plate against the roof sheathing.

22. The edge flashing of claim 21 wherein the underside of the edge covering plate has at least one continuous, longitudinal rib portion extending downward therefrom along the roof surface.

23. The edge flashing of claim 21 wherein the clamping means comprises a screw means threadingly engaged in the free leg portion of the U-shaped upper end of the facing means, the end of said screw pressing against the upper surface of the edge coven'ng plate.

24. The edgeflashing of claim 21 wherein the clamp means comprises a double wedge means positioned between the free leg portion of the U-shaped upper end of the facing means and the edge covering plate.

25. The edge flashing of claim 24 wherein the contact surfgces of the double wedge means have sawtooth like teet 26. The edge flashing of claim 24 wherein the upper surface of the end covering plate is provided with projections for holding one of said Wedge means in place.

27. The edge flashing of claim 21 wherein the clamp means comprises a spring means disposed between the free leg portion of the U-shaped upper end of the facing means and the edge covering plate.

28. The edge flashing of claim 27 wherein the spring means is maintained in position by projections extending from the upper surface of the edge covering plate.

29. The edge flashing of claim 1 wherein the carrier means is downwardly elongated and provided with a plurality of upward extending wedge means, the facing means is downwardly elongated and provided with downwardly extending counterwedge means engaging said upward extending wedge means.

30. The edge flashing of claim 29 wherein the facing means constitutes a plurality of facing plates, the lower edge of each facing plate which engages the upper edge of a lower facing plate being outwardly bent at an angle, and the upper edges of the facing plate respectively engaged thereby being inwardly bent at said angle.

31. The edge flashing of claim 1 wherein the facing means comprises a plurality of facing plates having vertical butt joints therebetween, and a corrugated sheet material means is disposed between the carrier means and the facing means covering the butt joints, the shape of the corrugated sheet material being congruent to the shape of the facing means, the corrugations being parallel to the butt joints, the outer surfaces of one face of the corrugated sheet material means contacting the inner surface of the facing means and the outer surfaces of the other face of the corrugated sheet material means contacting the outer surface of the carrier means.

32. The edge flashing of claim 31 wherein height of the corrugations present in the corrugated sheet material before insertion between the carrier means and facing means is greater than the distance therebetween.

33. The edge flashing of claim 1 wherein the facing means comprises a plurality of facing plates having vertical butt joints therebetween, the counterwedge means of each facing plate having slotted recesses extending from the butt joints, each facing plate having an inward extending flange below said counterwedge means, sealing members having a height of no greater than the distance between the U-shaped upper end of the facing means and the inward extending flanges disposed therebetween at the butt joints, the edges of said sealing means being disposed in said slotted recesses, and sealing plate means having U-shaped ends overlapping the upper edge of the sealing members at the butt joints, the opposite ends of the sealing members resting on said roof.

34. The edge flashing of claim 33' wherein the sealing member defines slotted recesses at the height of the slotted recesses in the counterwedge means, which sealing member slotted recesses engage said counterwedge slotted recesses.

35. An edge flashing for roofs and terrace floors having a masonry portion comprising a profile iron mounted in the masonry portion of the structure, a carrier means secured to the profile iron, a facing means supported by the carrier means, the carrier means having a lower end having a U-sh'ape, the free leg portion of the U-shape constituting a wedge means, the facing means having a U-shaped upper end extending over the top of the carrier means and a downward extending counterwedge means engaging said U-shape portion of the carrier means, a weatherproof, tear-resistant, flexible sheet material extending from the roof surface over the upper edge of the carrier means and held between the U-shaped upper end of the facing means and the upper edge of the carrier means.

36. The edge flashing of claim 35 wherein the upper edge of the carrier means has a U-shape.

37. The edge flashing of claim 35 wherein a profile means is supported by the upper edge of the carrier means.

38. The edge flashing as claimed in claim 35 wherein the carrier means is downwardly elongated and provided with a plurality of upward extending wedge means, the facing means is downwardly elongated and provided with downwardly extending counterwedge means engaging said upward extending wedge means.

39. The edge flashing as claimed in claim 35 wherein the facing means comprises a plurality of facing plates having vertical butt joints therebetween, and a corrugated sheet material means is, disposed between the carrier means and the facing means covering the butt joints, the shape of the corrugated sheet material being congruent to the shape of the facing means, the corrugations being parallel to the butt joints, the outer surfaces of one face of the corrugated sheet material means contacting the inner surface of the facing means and the outer surfaces of the other face of the corrugated sheet material means contacting the outer surface of the carrier means.

40. The edge flashing as claimed in claim 35 wherein the facing means comprises a plurality of facing plates having vertical butt joints therebetween, the counterwedge means of each facing plate having slotted recesses extending from the butt joints, each facing plate having an inward extending flange below said counterwedge means, sealing members having a height of no greater than the distance between the U-shaped upper end of the facing means and the inward extending flanges disposed therebetween at the butt joints, the edges of said sealing means being disposed in said slotted recesses, and sealing plate means having U-shaped ends overlapping the upper edge of the sealing members at the butt joints, the opposite ends of the sealing members resting on said roof.

References Cited UNITED STATES PATENTS Forbes 52-6 1 Campfield 52-59 Trostle 5294 Cheney 5258 X Hickman 52--6O X Swanson 5258 X Berg 52-58 HENRY C. SUTHERLAND, Primary Examiner. 

